Reports of the Inspectors of Coal Mines of the Anthracite Coal Regions of Pennsylvania 1881

Reports of the Inspectors of Coal Mines of the Anthracite Coal Regions of Pennsylvania 1881

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This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1882 edition. Excerpt: ... that special work. It is injurious to a man's health after working hard in the moist atmosphere of a mine, to cut props outside in all kinds of weather, and it is well known that propping is frequently delayed because a miner is too tired, or the weather too disagreeable or cold for him to cut the needed props into proper lengths. If the props were furnished already cut to the required lengths, the dangers arising from the latter cause would be averted. The Dangers of Inflammnble Structures over the. Top 01' Inlets. Since the enactment of the mine ventilation act, providing second openings for coal mines, people entertain the opinion that. in case the structure built over the top of shafts should get on fire, the workmen would have a safe escape through the second opening, and that another disaster similar to the Avondale calamity, in 1969, is impossible. But those persons who are familiar and conversant with the mines and the facts pertaining to this subject, cannot, with any confidence, entertain such an opinion, for all who realize the situation perceive that the second openings are invariably too remote from the workmen to be easily accessible in case of fire. There are at least fifteen collieries in this district where it is extremely doubtful that any of the workingmen could escape, if fire should originate around the top of the shaft, as it did when the Avondale disaster occurred. It is evident when we consider that in every instance the air currents are entering the mines through the shafts, over which these inflammable structures are erected, and at a velocity of from four to six hundred feet per minute, a speed at which the men would be enveloped in dense deathly smoke quicker than the fleetest messengers could arrive and...
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Product details

  • Paperback | 122 pages
  • 189 x 246 x 7mm | 231g
  • English
  • Illustrations, black and white
  • 1236816641
  • 9781236816641